Home / 10,148.80-15,226.26-7,192.96

Finding the Fourth Proportional to 10,148.80, 15,226.26 and 7,192.96

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Solution

The fourth proportional to 10,148.80, 15,226.26 and 7,192.96 is: 10,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.80 : 15,226.26 = 7,192.96 : x
  2. Step 2: Convert to fraction form
    10,148.80/15,226.26 = 7,192.96/x
  3. Step 3: Cross multiply
    10,148.80x = 15,226.26 × 7,192.96
  4. Step 4: Simplify right side
    10,148.80x = 109,521,879.13
  5. Step 5: Solve for x
    x = 109,521,879.13/10,148.80
  6. Step 6: Final answer
    x = 10,791.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.